28550495

素因数分解:

$5^1\times {\mathrm{37}}^2\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:219

約数の個数: 24

約数和(自身を含む): 36401904

約数和(自身を除く): 7851409

約数列:

[1, 5, 37, 43, 97, 185, 215, 485, 1369, 1591, 3589, 4171, 6845, 7955, 17945, 20855, 58867, 132793, 154327, 294335, 663965, 771635, 5710099, 28550495]

約数ペア:

[(1, 28550495), (5, 5710099), (37, 771635), (43, 663965), (97, 294335), (185, 154327), (215, 132793), (485, 58867), (1369, 20855), (1591, 17945), (3589, 7955), (4171, 6845)]